Device for indirectly cooling chlorine gas of chlorine gas compressor by using refrigerant

The utility model relates to a device for indirectly cooling chlorine of a chlorine compressor by using a refrigerant. A refrigerant outlet at the top of an evaporator is connected with a refrigerant inlet at the bottom of a condenser through a refrigerant gas ascending pipe, and a refrigerant liquid descending pipe at a refrigerant outlet at the bottom of the condenser is connected with a refrigerant inlet at the top of the evaporator; a chlorine inlet of the evaporator is connected with a chlorine outlet of the compressor, and a chlorine outlet of the evaporator is connected with a next-stage chlorine compressor or a next chlorine using process; the evaporator is a horizontally-installed tube type heat exchanger, and a liquid level meter is arranged on the evaporator and used for measuring the liquid level of a refrigerant in a shell pass. The condenser is provided with a safety valve and a pressurizing valve which are respectively used for exhausting and inflating; a pressure gauge is further arranged on t